AMD Radeon HD 6970M Mac Edition vs AMD Radeon 520 Mobile

VS

AMD Radeon HD 6970M Mac Edition AMD Radeon 520 Mobile

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6970M Mac Edition and 2GB VRAM Radeon 520 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6970M Mac Edition 's Advantages

Larger VRAM bandwidth (115.2GB/s vs 16.00GB/s)

640 additional rendering cores

AMD Radeon 520 Mobile 's Advantages

Released 5 years and 8 months late

Lower TDP (50W vs 75W)

Score

Benchmark

FP32 (float)

Radeon HD 6970M Mac Edition +98%

1.306 TFLOPS

Radeon 520 Mobile

0.659 TFLOPS

Radeon HD 6970M Mac Edition

VS

Radeon 520 Mobile

Graphics Card

Aug 2011

Release Date

Apr 2017

Vancouver

Generation

Mobility Radeon

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

-

Boost Clock

-

900 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

115.2GB/s

Bandwidth

16.00GB/s

Render Config

-

SM Count

-

12

Compute Units

5

960

Shading Units

320

48

TMUs

20

32

ROPs

8

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

128 KB

Theoretical Performance

21.76 GPixel/s

Pixel Rate

8.240 GPixel/s

32.64 GTexel/s

Texture Rate

20.60 GTexel/s

-

FP16 (half)

-

1306 GFLOPS

FP32 (float)

659.2 GFLOPS

-

FP64 (double)

41.20 GFLOPS

Graphics Processor

Blackcomb

GPU Name

Banks

Blackcomb XT (216-0811000)

GPU Variant

Banks PRO (216-0568010)

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.7 billion

Transistors

0.69 billion

212 mm²

Die Size

56 mm²

Board Design

75W

TDP

50W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

1.2

N/A

Vulkan

1.2

-

CUDA

-

5.0

Shader Model

5.1

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